java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/eldarica-misc/LIA/llreve/barthe2-big_safe.c-1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 08:53:00,296 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 08:53:00,299 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 08:53:00,311 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 08:53:00,311 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 08:53:00,312 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 08:53:00,315 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 08:53:00,317 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 08:53:00,318 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 08:53:00,320 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 08:53:00,321 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 08:53:00,321 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 08:53:00,321 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 08:53:00,322 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 08:53:00,326 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 08:53:00,327 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 08:53:00,328 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 08:53:00,337 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 08:53:00,338 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 08:53:00,339 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 08:53:00,342 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 08:53:00,344 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 08:53:00,344 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 08:53:00,344 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 08:53:00,348 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 08:53:00,349 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 08:53:00,349 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 08:53:00,350 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 08:53:00,350 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 08:53:00,353 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 08:53:00,354 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 08:53:00,355 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 08:53:00,355 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 08:53:00,355 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 08:53:00,356 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 08:53:00,356 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 08:53:00,376 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 08:53:00,376 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 08:53:00,377 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 08:53:00,377 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 08:53:00,378 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 08:53:00,378 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 08:53:00,378 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 08:53:00,378 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 08:53:00,382 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 08:53:00,382 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 08:53:00,382 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 08:53:00,382 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 08:53:00,382 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 08:53:00,383 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 08:53:00,383 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 08:53:00,383 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 08:53:00,383 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 08:53:00,383 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 08:53:00,383 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 08:53:00,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 08:53:00,384 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 08:53:00,386 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 08:53:00,386 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 08:53:00,433 INFO ]: Repository-Root is: /tmp [2018-06-25 08:53:00,448 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 08:53:00,451 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 08:53:00,452 INFO ]: Initializing SmtParser... [2018-06-25 08:53:00,452 INFO ]: SmtParser initialized [2018-06-25 08:53:00,452 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/llreve/barthe2-big_safe.c-1.smt2 [2018-06-25 08:53:00,453 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-25 08:53:00,525 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/barthe2-big_safe.c-1.smt2 unknown [2018-06-25 08:53:00,724 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/barthe2-big_safe.c-1.smt2 [2018-06-25 08:53:00,730 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 08:53:00,739 INFO ]: Walking toolchain with 4 elements. [2018-06-25 08:53:00,739 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 08:53:00,740 INFO ]: Initializing ChcToBoogie... [2018-06-25 08:53:00,740 INFO ]: ChcToBoogie initialized [2018-06-25 08:53:00,744 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 08:53:00" (1/1) ... [2018-06-25 08:53:00,800 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:53:00 Unit [2018-06-25 08:53:00,800 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 08:53:00,801 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 08:53:00,801 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 08:53:00,801 INFO ]: Boogie Preprocessor initialized [2018-06-25 08:53:00,825 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:53:00" (1/1) ... [2018-06-25 08:53:00,825 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:53:00" (1/1) ... [2018-06-25 08:53:00,832 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:53:00" (1/1) ... [2018-06-25 08:53:00,832 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:53:00" (1/1) ... [2018-06-25 08:53:00,835 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:53:00" (1/1) ... [2018-06-25 08:53:00,838 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:53:00" (1/1) ... [2018-06-25 08:53:00,839 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:53:00" (1/1) ... [2018-06-25 08:53:00,840 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 08:53:00,841 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 08:53:00,842 INFO ]: Initializing RCFGBuilder... [2018-06-25 08:53:00,842 INFO ]: RCFGBuilder initialized [2018-06-25 08:53:00,843 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:53:00" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-25 08:53:00,855 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 08:53:00,855 INFO ]: Found specification of procedure gotoProc [2018-06-25 08:53:00,855 INFO ]: Found implementation of procedure gotoProc [2018-06-25 08:53:00,855 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 08:53:00,855 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 08:53:00,855 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 08:53:01,237 INFO ]: Using library mode [2018-06-25 08:53:01,237 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 08:53:01 BoogieIcfgContainer [2018-06-25 08:53:01,237 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 08:53:01,238 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 08:53:01,238 INFO ]: Initializing TraceAbstraction... [2018-06-25 08:53:01,243 INFO ]: TraceAbstraction initialized [2018-06-25 08:53:01,243 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 08:53:00" (1/3) ... [2018-06-25 08:53:01,244 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507fe46b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 08:53:01, skipping insertion in model container [2018-06-25 08:53:01,244 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:53:00" (2/3) ... [2018-06-25 08:53:01,244 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507fe46b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 08:53:01, skipping insertion in model container [2018-06-25 08:53:01,244 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 08:53:01" (3/3) ... [2018-06-25 08:53:01,245 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 08:53:01,253 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 08:53:01,263 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 08:53:01,302 INFO ]: Using default assertion order modulation [2018-06-25 08:53:01,303 INFO ]: Interprodecural is true [2018-06-25 08:53:01,303 INFO ]: Hoare is false [2018-06-25 08:53:01,303 INFO ]: Compute interpolants for FPandBP [2018-06-25 08:53:01,303 INFO ]: Backedges is TWOTRACK [2018-06-25 08:53:01,303 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 08:53:01,303 INFO ]: Difference is false [2018-06-25 08:53:01,303 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 08:53:01,303 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 08:53:01,318 INFO ]: Start isEmpty. Operand 15 states. [2018-06-25 08:53:01,330 INFO ]: Finished isEmpty. Found accepting run of length 13 [2018-06-25 08:53:01,330 INFO ]: Found error trace [2018-06-25 08:53:01,331 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:53:01,331 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:53:01,335 INFO ]: Analyzing trace with hash -1051101242, now seen corresponding path program 1 times [2018-06-25 08:53:01,336 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:53:01,337 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:53:01,368 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:53:01,368 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:53:01,368 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:53:01,414 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:53:01,599 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 08:53:01,601 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:53:01,601 INFO ]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-06-25 08:53:01,602 INFO ]: Interpolant automaton has 7 states [2018-06-25 08:53:01,612 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-25 08:53:01,613 INFO ]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-25 08:53:01,615 INFO ]: Start difference. First operand 15 states. Second operand 7 states. [2018-06-25 08:53:02,073 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:53:02,074 INFO ]: Finished difference Result 32 states and 44 transitions. [2018-06-25 08:53:02,074 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-25 08:53:02,075 INFO ]: Start accepts. Automaton has 7 states. Word has length 12 [2018-06-25 08:53:02,076 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:53:02,084 INFO ]: With dead ends: 32 [2018-06-25 08:53:02,084 INFO ]: Without dead ends: 32 [2018-06-25 08:53:02,086 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-06-25 08:53:02,101 INFO ]: Start minimizeSevpa. Operand 32 states. [2018-06-25 08:53:02,122 INFO ]: Finished minimizeSevpa. Reduced states from 32 to 17. [2018-06-25 08:53:02,124 INFO ]: Start removeUnreachable. Operand 17 states. [2018-06-25 08:53:02,125 INFO ]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2018-06-25 08:53:02,126 INFO ]: Start accepts. Automaton has 17 states and 23 transitions. Word has length 12 [2018-06-25 08:53:02,126 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:53:02,126 INFO ]: Abstraction has 17 states and 23 transitions. [2018-06-25 08:53:02,126 INFO ]: Interpolant automaton has 7 states. [2018-06-25 08:53:02,126 INFO ]: Start isEmpty. Operand 17 states and 23 transitions. [2018-06-25 08:53:02,127 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-25 08:53:02,127 INFO ]: Found error trace [2018-06-25 08:53:02,127 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:53:02,127 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:53:02,127 INFO ]: Analyzing trace with hash -1919686800, now seen corresponding path program 1 times [2018-06-25 08:53:02,127 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:53:02,127 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:53:02,128 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:53:02,128 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:53:02,128 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:53:02,151 INFO ]: Conjunction of SSA is sat [2018-06-25 08:53:02,156 INFO ]: Counterexample might be feasible [2018-06-25 08:53:02,169 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 08:53:02 BoogieIcfgContainer [2018-06-25 08:53:02,169 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 08:53:02,170 INFO ]: Toolchain (without parser) took 1439.38 ms. Allocated memory is still 308.3 MB. Free memory was 263.8 MB in the beginning and 216.6 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 3.6 GB. [2018-06-25 08:53:02,171 INFO ]: SmtParser took 0.05 ms. Allocated memory is still 308.3 MB. Free memory is still 273.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 08:53:02,172 INFO ]: ChcToBoogie took 61.23 ms. Allocated memory is still 308.3 MB. Free memory was 262.8 MB in the beginning and 260.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 08:53:02,172 INFO ]: Boogie Preprocessor took 39.14 ms. Allocated memory is still 308.3 MB. Free memory was 260.8 MB in the beginning and 259.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. [2018-06-25 08:53:02,173 INFO ]: RCFGBuilder took 396.86 ms. Allocated memory is still 308.3 MB. Free memory was 259.7 MB in the beginning and 249.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. [2018-06-25 08:53:02,174 INFO ]: TraceAbstraction took 930.73 ms. Allocated memory is still 308.3 MB. Free memory was 249.7 MB in the beginning and 216.6 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 3.6 GB. [2018-06-25 08:53:02,177 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.05 ms. Allocated memory is still 308.3 MB. Free memory is still 273.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 61.23 ms. Allocated memory is still 308.3 MB. Free memory was 262.8 MB in the beginning and 260.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 39.14 ms. Allocated memory is still 308.3 MB. Free memory was 260.8 MB in the beginning and 259.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 396.86 ms. Allocated memory is still 308.3 MB. Free memory was 259.7 MB in the beginning and 249.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 930.73 ms. Allocated memory is still 308.3 MB. Free memory was 249.7 MB in the beginning and 216.6 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [UNKNOWN] : assertion can be violated assertion can be violated We found a FailurePath: [L0] CALL call gotoProc(0, 0, 0, 0, 0, 0); [L0] gotoSwitch := gotoSwitch_in; [L0] assume !(hbv_False_1_Int == hbv_False_2_Int); [L0] hhv_inv_main37_0_Int, hhv_inv_main37_1_Int, hhv_inv_main37_2_Int := hbv_False_3_Int, hbv_False_1_Int, hbv_False_2_Int; [L0] havoc hbv_False_3_Int, hbv_False_2_Int, hbv_False_1_Int; [L0] assume !(0 <= hbv_inv_main37_1_Int + -1 * hbv_inv_main37_2_Int && !(hbv_inv_main37_3_Int == 0)); [L0] hhv_inv_main31_0_Int, hhv_inv_main31_1_Int, hhv_inv_main31_2_Int, hhv_inv_main31_3_Int, hhv_inv_main31_4_Int := hhv_inv_main37_0_Int, hhv_inv_main37_1_Int, hbv_inv_main37_1_Int, hbv_inv_main37_2_Int, hhv_inv_main37_2_Int; [L0] havoc hbv_inv_main37_1_Int, hbv_inv_main37_2_Int, hbv_inv_main37_3_Int; [L0] assume ((0 <= hhv_inv_main31_2_Int + -1 * hbv_inv_main31_2_Int && hhv_inv_main31_3_Int == hbv_inv_main31_2_Int + 1) && !(hbv_inv_main31_3_Int == 0)) && hhv_inv_main31_4_Int == hbv_inv_main31_1_Int + hbv_inv_main31_2_Int; [L0] hhv_inv_main31_0_Int, hhv_inv_main31_1_Int, hhv_inv_main31_2_Int, hhv_inv_main31_3_Int, hhv_inv_main31_4_Int := hhv_inv_main31_0_Int, hhv_inv_main31_1_Int, hhv_inv_main31_2_Int, hbv_inv_main31_2_Int, hbv_inv_main31_1_Int; [L0] havoc hbv_inv_main31_3_Int, hbv_inv_main31_2_Int, hbv_inv_main31_1_Int; [L0] assume !(!(hbv_inv_main31_2_Int == 0) && 0 <= hhv_inv_main31_2_Int + -1 * hbv_inv_main31_1_Int) && hhv_inv_main31_3_Int == 1; [L0] hhv_inv_main25_0_Int, hhv_inv_main25_1_Int, hhv_inv_main25_2_Int, hhv_inv_main25_3_Int, hhv_inv_main25_4_Int := hhv_inv_main31_0_Int, hhv_inv_main31_1_Int, hhv_inv_main31_2_Int, hbv_inv_main31_1_Int, hhv_inv_main31_4_Int; [L0] havoc hbv_inv_main31_2_Int, hbv_inv_main31_1_Int; [L0] assume ((hhv_inv_main25_3_Int == 1 && hhv_inv_main25_2_Int == hhv_inv_main25_0_Int) && hhv_inv_main25_4_Int == 1) && !(0 <= hbv_inv_main25_1_Int + -1 * hbv_inv_main25_2_Int && !(hbv_inv_main25_3_Int == 0)); [L0] hhv_inv_main14_0_Int, hhv_inv_main14_1_Int, hhv_inv_main14_2_Int, hhv_inv_main14_3_Int := hhv_inv_main25_0_Int, hbv_inv_main25_1_Int, hbv_inv_main25_2_Int, hhv_inv_main25_1_Int; [L0] havoc hbv_inv_main25_3_Int, hbv_inv_main25_1_Int, hbv_inv_main25_2_Int; [L0] assume !(0 <= hhv_inv_main14_1_Int + -1 * hbv_inv_main14_1_Int && !(hbv_inv_main14_2_Int == 0)) && hhv_inv_main14_2_Int == 0; [L0] hhv_inv_main8_0_Int, hhv_inv_main8_1_Int, hhv_inv_main8_2_Int, hhv_inv_main8_3_Int := hhv_inv_main14_0_Int, hhv_inv_main14_1_Int, hbv_inv_main14_1_Int, hhv_inv_main14_3_Int; [L0] havoc hbv_inv_main14_1_Int, hbv_inv_main14_2_Int; [L0] assume (hhv_inv_main8_1_Int == hhv_inv_main8_0_Int && hhv_inv_main8_3_Int == 1) && hhv_inv_main8_2_Int == 1; [L0] hhv_inv_main3_0_Int := hhv_inv_main8_0_Int; [L0] assume true; [L0] RET call gotoProc(0, 0, 0, 0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. UNSAFE Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 44 SDslu, 68 SDs, 0 SdLazy, 37 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 15 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/barthe2-big_safe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_08-53-02-188.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/barthe2-big_safe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_08-53-02-188.csv Received shutdown request...